{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system", "common vulnerabilities and exposures", "vulnerable system version", "time", "capabilities", "vulnerability", "supported platform"]}], "input": "Microsoft hit back at Google ’s approach to security patches last year , after discovering a Chrome flaw and “ responsibly ” disclosed it to Google so the company had enough time to patch ."}
{"discover vulnerability": [{"vulnerable system": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system version": "NAN", "time": "NAN", "capabilities": "NAN", "vulnerability": "a Chrome flaw", "supported platform": "NAN"}]}